A confined space is defined as a space that is not intended for continuous occupancy, has limited openings for entry and exit, and has unfavorable natural ventilation. Which option best matches this definition?

• A. It is designed for continuous occupancy with good ventilation.
• B. It is a space with easy entry and exit and good ventilation.
• C. It is not intended for continuous occupancy, has limited openings, and has unfavorable ventilation.
• D. It is an open-air area with multiple entries

Answer: (C)

A confined space is defined by three attributes: it is not intended for continuous occupancy, it has limited means of entry and exit, and it has unfavorable natural ventilation. The option that states all three of these characteristics is the best match, because it directly reflects the standard definition used in safety guidelines. The other choices describe spaces that either allow continuous occupancy, have easy access with good ventilation, or are open-air with multiple entries—none of which align with the restricted, poorly ventilated nature of a confined space. Recognizing this combination helps explain why such spaces require careful safety procedures, monitoring, and often a permit before entry.